28366380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{479}}^1$

素因数の和:548

約数の個数: 144

約数和(自身を含む): 100638720

約数和(自身を除く): 72272340

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 47, 60, 63, 70, 84, 90, 94, 105, 126, 140, 141, 180, 188, 210, 235, 252, 282, 315, 329, 420, 423, 470, 479, 564, 630, 658, 705, 846, 940, 958, 987, 1260, 1316, 1410, 1437, 1645, 1692, 1916, 1974, 2115, 2395, 2820, 2874, 2961, 3290, 3353, 3948, 4230, 4311, 4790, 4935, 5748, 5922, 6580, 6706, 7185, 8460, 8622, 9580, 9870, 10059, 11844, 13412, 14370, 14805, 16765, 17244, 19740, 20118, 21555, 22513, 28740, 29610, 30177, 33530, 40236, 43110, 45026, 50295, 59220, 60354, 67060, 67539, 86220, 90052, 100590, 112565, 120708, 135078, 150885, 157591, 201180, 202617, 225130, 270156, 301770, 315182, 337695, 405234, 450260, 472773, 603540, 630364, 675390, 787955, 810468, 945546, 1013085, 1350780, 1418319, 1575910, 1891092, 2026170, 2363865, 2836638, 3151820, 4052340, 4727730, 5673276, 7091595, 9455460, 14183190, 28366380]

約数ペア:

[(1, 28366380), (2, 14183190), (3, 9455460), (4, 7091595), (5, 5673276), (6, 4727730), (7, 4052340), (9, 3151820), (10, 2836638), (12, 2363865), (14, 2026170), (15, 1891092), (18, 1575910), (20, 1418319), (21, 1350780), (28, 1013085), (30, 945546), (35, 810468), (36, 787955), (42, 675390), (45, 630364), (47, 603540), (60, 472773), (63, 450260), (70, 405234), (84, 337695), (90, 315182), (94, 301770), (105, 270156), (126, 225130), (140, 202617), (141, 201180), (180, 157591), (188, 150885), (210, 135078), (235, 120708), (252, 112565), (282, 100590), (315, 90052), (329, 86220), (420, 67539), (423, 67060), (470, 60354), (479, 59220), (564, 50295), (630, 45026), (658, 43110), (705, 40236), (846, 33530), (940, 30177), (958, 29610), (987, 28740), (1260, 22513), (1316, 21555), (1410, 20118), (1437, 19740), (1645, 17244), (1692, 16765), (1916, 14805), (1974, 14370), (2115, 13412), (2395, 11844), (2820, 10059), (2874, 9870), (2961, 9580), (3290, 8622), (3353, 8460), (3948, 7185), (4230, 6706), (4311, 6580), (4790, 5922), (4935, 5748)]